//
//  MGLUploadImageUtils.m
//  max-mglive-main
//
//  Created by neon on 2017/7/23.
//  Copyright © 2017年 MGLive. All rights reserved.
//

#import "MGLUploadImageUtils.h"

#import <AliyunOSSiOS/OSSService.h>
//#import <HNTVOSS/AliUploadManager.h>


@implementation MGLUploadImageUtils
+ (void)uploadImage:(UIImage *)img withImageUpload:(NSDictionary *)imgupload  bucketName:(NSString *)buckerName resultBlock:(void (^)(NSDictionary *))result {
	
	NSData *imgdata = UIImageJPEGRepresentation([MGLUploadImageUtils fixOrientation:img],1);
	
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    
    formatter.dateFormat = @"yyyyMMddHHmmss";
    
    NSString *nowTimeStr = [formatter stringFromDate:[NSDate dateWithTimeIntervalSinceNow:0]];
    
    int randomNum = arc4random() % 89999 + 10000;
    
    NSString *name = [[nowTimeStr stringByAppendingString:[NSString stringWithFormat:@"%d",randomNum]] stringByAppendingString:@"_cpm.jpg"];
//    NSString *name = [MGLSafeObject stringInfo:imgupload[@"urlPri"]];
    
	id<OSSCredentialProvider> credential = [[OSSFederationCredentialProvider alloc] initWithFederationTokenGetter:^OSSFederationToken * {
		
		OSSFederationToken * token = [OSSFederationToken new];
		token.tAccessKey = [MGLSafeObject stringInfo:imgupload[@"accessKeyId"]];
		token.tSecretKey = [MGLSafeObject stringInfo:imgupload[@"accessKeySecret"]];
		token.tToken = [MGLSafeObject stringInfo:imgupload[@"securityToken"]];
		token.expirationTimeInGMTFormat = [MGLSafeObject stringInfo:imgupload[@"expiration"]];
		return token;
	}];
	
    NSString *bucket = [MGLSafeObject stringInfo:imgupload[@"bucket"]];
    // http://oss-cn-beijing.aliyuncs.com
	OSSClient *client = [[OSSClient alloc] initWithEndpoint:@"http://oss-cn-shanghai.aliyuncs.com" credentialProvider:credential];
	
	OSSPutObjectRequest * put = [OSSPutObjectRequest new];
	
	 put.bucketName = bucket;
	
	put.objectKey = name;
	
	put.uploadingData = imgdata;
	
    NSString *urlStr = [MGLSafeObject stringInfo:imgupload[@"urlPri"]];
	OSSTask *putTask = [client putObject:put];	
	[putTask continueWithBlock:^id(OSSTask *task) {
		if (!task.error) {
			
			NSDictionary *dict = @{
								   @"photoname":[NSString stringWithFormat:@"%@/%@", urlStr, name],
								   @"result":@"1"
								   };
			if (result) {
				result(dict);
			}
			
		} else {
			NSDictionary *dict = @{
								   @"result":@"0"
								   };
			if (result) {
				result(dict);
			}
		}
		return nil;
	}];

}


+ (UIImage *)fixOrientation:(UIImage *)aImage {
    
    // No-op if the orientation is already correct
    if (aImage.imageOrientation == UIImageOrientationUp)
        return aImage;
    
    // We need to calculate the proper transformation to make the image upright.
    // We do it in 2 steps: Rotate if Left/Right/Down, and then flip if Mirrored.
    CGAffineTransform transform = CGAffineTransformIdentity;
    
    switch (aImage.imageOrientation) {
        case UIImageOrientationDown:
        case UIImageOrientationDownMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, aImage.size.height);
            transform = CGAffineTransformRotate(transform, M_PI);
            break;
            
        case UIImageOrientationLeft:
        case UIImageOrientationLeftMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
            transform = CGAffineTransformRotate(transform, M_PI_2);
            break;
            
        case UIImageOrientationRight:
        case UIImageOrientationRightMirrored:
            transform = CGAffineTransformTranslate(transform, 0, aImage.size.height);
            transform = CGAffineTransformRotate(transform, -M_PI_2);
            break;
        default:
            break;
    }
    
    switch (aImage.imageOrientation) {
        case UIImageOrientationUpMirrored:
        case UIImageOrientationDownMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
            transform = CGAffineTransformScale(transform, -1, 1);
            break;
            
        case UIImageOrientationLeftMirrored:
        case UIImageOrientationRightMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.height, 0);
            transform = CGAffineTransformScale(transform, -1, 1);
            break;
        default:
            break;
    }
    
    // Now we draw the underlying CGImage into a new context, applying the transform
    // calculated above.
    CGContextRef ctx = CGBitmapContextCreate(NULL, aImage.size.width, aImage.size.height,
                                             CGImageGetBitsPerComponent(aImage.CGImage), 0,
                                             CGImageGetColorSpace(aImage.CGImage),
                                             CGImageGetBitmapInfo(aImage.CGImage));
    CGContextConcatCTM(ctx, transform);
    switch (aImage.imageOrientation) {
        case UIImageOrientationLeft:
        case UIImageOrientationLeftMirrored:
        case UIImageOrientationRight:
        case UIImageOrientationRightMirrored:
            // Grr...
            CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.height,aImage.size.width), aImage.CGImage);
            break;
            
        default:
            CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.width,aImage.size.height), aImage.CGImage);
            break;
    }
    
    // And now we just create a new UIImage from the drawing context
    CGImageRef cgimg = CGBitmapContextCreateImage(ctx);
    UIImage *img = [UIImage imageWithCGImage:cgimg];
    CGContextRelease(ctx);
    CGImageRelease(cgimg);
    return img;
}


@end
